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<div class="title">sum_reduce.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * sum_reduce.hpp</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> *      Author: Hordur Johannsson</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160; </div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#ifndef PCL_SIMULATION_SUM_REDUCE</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#define PCL_SIMULATION_SUM_REDUCE</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160; </div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#include &lt;GL/glew.h&gt;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160; </div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &lt;pcl/pcl_config.h&gt;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#ifdef OPENGL_IS_A_FRAMEWORK</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor"># include &lt;OpenGL/gl.h&gt;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor"># include &lt;GL/gl.h&gt;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160; </div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor">#include &lt;pcl/simulation/glsl_shader.h&gt;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#include &lt;pcl/simulation/model.h&gt;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160; </div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="keyword">namespace </span>pcl</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;{</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;  <span class="keyword">namespace </span>simulation</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;  {</div>
<div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="classpcl_1_1simulation_1_1_sum_reduce.html">   35</a></span>&#160;    <span class="keyword">class </span>PCL_EXPORTS <a class="code" href="classpcl_1_1simulation_1_1_sum_reduce.html">SumReduce</a></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;    {</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;      <span class="keyword">public</span>:</div>
<div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="classpcl_1_1simulation_1_1_sum_reduce.html#a43469b2f2dae7c3531523c471f2cde9a">   43</a></span>&#160;        <a class="code" href="classpcl_1_1simulation_1_1_sum_reduce.html#a43469b2f2dae7c3531523c471f2cde9a">SumReduce</a> (<span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height, <span class="keywordtype">int</span> levels);</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160; </div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="classpcl_1_1simulation_1_1_sum_reduce.html#a3aa69e7fb9d3b7902215cec594a864b5">   46</a></span>&#160;        <a class="code" href="classpcl_1_1simulation_1_1_sum_reduce.html#a3aa69e7fb9d3b7902215cec594a864b5">~SumReduce</a> ();</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160; </div>
<div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="classpcl_1_1simulation_1_1_sum_reduce.html#af1563d2a48fabc5d76ef49f86444630a">   52</a></span>&#160;        <span class="keywordtype">void</span> <a class="code" href="classpcl_1_1simulation_1_1_sum_reduce.html#af1563d2a48fabc5d76ef49f86444630a">sum</a> (GLuint input_array, <span class="keywordtype">float</span>* output_array);</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160; </div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;      <span class="keyword">private</span>:</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;        GLuint fbo_;</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;        GLuint* arrays_;</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;        <a class="code" href="classpcl_1_1simulation_1_1_quad.html">Quad</a> quad_;</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;        <span class="keywordtype">int</span> levels_;</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;        <span class="keywordtype">int</span> width_;</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;        <span class="keywordtype">int</span> height_;</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;        gllib::Program::Ptr sum_program_;</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    };</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;  } <span class="comment">// namespace - simulation</span></div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;} <span class="comment">// namespace - pcl</span></div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160; </div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* PCL_SIMULATION_SUM_REDUCE */</span><span class="preprocessor"></span></div>
<div class="ttc" id="aclasspcl_1_1simulation_1_1_quad_html"><div class="ttname"><a href="classpcl_1_1simulation_1_1_quad.html">pcl::simulation::Quad</a></div><div class="ttdef"><b>Definition:</b> model.h:163</div></div>
<div class="ttc" id="aclasspcl_1_1simulation_1_1_sum_reduce_html"><div class="ttname"><a href="classpcl_1_1simulation_1_1_sum_reduce.html">pcl::simulation::SumReduce</a></div><div class="ttdoc">Implements a parallel summation of float arrays using GLSL. The input array is provided as a float te...</div><div class="ttdef"><b>Definition:</b> sum_reduce.h:36</div></div>
<div class="ttc" id="aclasspcl_1_1simulation_1_1_sum_reduce_html_a3aa69e7fb9d3b7902215cec594a864b5"><div class="ttname"><a href="classpcl_1_1simulation_1_1_sum_reduce.html#a3aa69e7fb9d3b7902215cec594a864b5">pcl::simulation::SumReduce::~SumReduce</a></div><div class="ttdeci">~SumReduce()</div><div class="ttdoc">Release any allocated resources.</div></div>
<div class="ttc" id="aclasspcl_1_1simulation_1_1_sum_reduce_html_a43469b2f2dae7c3531523c471f2cde9a"><div class="ttname"><a href="classpcl_1_1simulation_1_1_sum_reduce.html#a43469b2f2dae7c3531523c471f2cde9a">pcl::simulation::SumReduce::SumReduce</a></div><div class="ttdeci">SumReduce(int width, int height, int levels)</div><div class="ttdoc">Construct a new summation object for an array of given size.</div></div>
<div class="ttc" id="aclasspcl_1_1simulation_1_1_sum_reduce_html_af1563d2a48fabc5d76ef49f86444630a"><div class="ttname"><a href="classpcl_1_1simulation_1_1_sum_reduce.html#af1563d2a48fabc5d76ef49f86444630a">pcl::simulation::SumReduce::sum</a></div><div class="ttdeci">void sum(GLuint input_array, float *output_array)</div><div class="ttdoc">Reduce the array with summation over set number of levels.</div></div>
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